Clean Water Act discharge permit · NPDES TX0118575
US ZINC DUST DIVISION, Houston, TX: NPDES TX0118575 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
US ZINC DUST DIVISION, held by U.S. ZINC CORPORATION, holds NPDES permit TX0118575, which discharges to Ditch;City Of Houston Storm Sewer. EPA’s file records it issued July 18, 2017 and expiring September 1, 2021.
US ZINC DUST DIVISION, Houston, Texas: Individual permit TX0118575, held by U.S. ZINC CORPORATION; Administratively continued (past its expiration date and still in force until reissued); issued July 18, 2017, term to September 1, 2021; discharges to DITCH;CITY OF HOUSTON STORM SEWER.
- Zinc, total [as Zn]: 2 limits, 93 violations of any kind, 9 effluent exceedances, latest November 30, 2021, largest 170% over the limit.
- Oil & Grease: 1 limit, 45 violations of any kind, 3 effluent exceedances, latest December 31, 2014, largest 99,999% over the limit.
- Lead, total [as Pb]: 2 limits, 83 violations of any kind, 1 effluent exceedance, latest March 31, 2008, largest 233% over the limit.
- pH: 2 limits, 82 violations of any kind, 1 effluent exceedance, latest June 30, 2007.
- Oxygen demand, chem. [high level] [COD]: 1 limit, 43 violations of any kind, 1 effluent exceedance, latest January 31, 2005, largest 99,999% over the limit.
- Flow, in conduit or thru treatment plant: 2 limits, 80 violations of any kind, 0 effluent exceedances.
- November 6, 2026: Phone Call/ EMAIL (State).
US ZINC DUST DIVISION among its neighbors
Its county holds 4,455, 195 of them major permits; TX0118575 is a minor permit.
Other permits in the county
- 019-HOU3-22 HOUSTON CONCRETE SILOS, Houston: TXR1594NZ, minor permit, discharging to HOUSTON SHIP CHANNEL/BUFFALO BAYOU TIDAL, permit term to March 4, 2028
- 04868-1000 TOMBALL SAMS CLUB, Tomball: TXR1507VM, minor permit, discharging to WILLOW CREEK, permit term to March 4, 2028
- 04868-1000 TOMBALL SAMS CLUB, Tomball: TXR1563VQ, minor permit, discharging to WILLOW CREEK, permit term to March 4, 2028
- 10 055SF SHELL, Katy: TXR1598RM, minor permit, discharging to SOUTH MAYDE CREEK, permit term to March 4, 2028
- 10.1 ACRES ATASCOCITA RD, Humble: TXR1501OH, minor permit, discharging to GARNERS BAYOU, permit term to March 4, 2028
- 105 FARISH CIRCLE, Houston: TXR1583PJ, minor permit, discharging to BUFFALO BAYOU TIDAL, permit term to March 4, 2028
- 10910 GLEN HOLLOW, Houston: TXR1588SI, minor permit, discharging to SIMS BAYOU ABOVE TIDAL, permit term to March 4, 2028
- 1105 DEMOLITION, Houston: TXR1588SX, minor permit, discharging to RUMMEL CREEK, permit term to March 4, 2028
- 1111 FANNIN, Houston: TXR1556LZ, minor permit, permit term to March 4, 2028
- 11116 BELLAIRE BLVD, Houston: TXR1516PK, minor permit, discharging to BRAYS BAYOU ABOVE TIDAL, permit term to March 4, 2028
Identity
| Facility as filed | US ZINC DUST DIVISION |
|---|---|
| Permittee as filed | U.S. ZINC CORPORATION |
| NPDES ID | TX0118575 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 18, 2017 |
| Expiration date | September 1, 2021 |
| Address | Houston, TX 77011 |
| Receiving water | DITCH;CITY OF HOUSTON STORM SEWER |
| SIC | 3341 – Secondary Nonferrous Metals |
| Other EPA IDs (FRS) | RCRA handler TXD987982394 |
Effluent limits and exceedances
- 6Pollutants on file
- 6Under a numeric limit
- 6With a violation of any kind
- 5With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Zinc, total [as Zn] | 2 | 93 | 9 | November 30, 2021 | 170% over the limit |
| Oil & Grease | 1 | 45 | 3 | December 31, 2014 | 99,999% over the limit |
| Lead, total [as Pb] | 2 | 83 | 1 | March 31, 2008 | 233% over the limit |
| pH | 2 | 82 | 1 | June 30, 2007 | |
| Oxygen demand, chem. [high level] [COD] | 1 | 43 | 1 | January 31, 2005 | 99,999% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 80 | 0 |
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES TX0118575.
Inspections
EPA’s inspection file holds no inspection for NPDES TX0118575.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
| Date | What EPA recorded | Agency |
|---|---|---|
| November 6, 2026 | Phone Call/ EMAIL | State |
Watch this permit
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.